AI & Engineering Methods
The Claude Knowledge-Work Plugins Primer
Sixteen essays cataloging Anthropic's open-source Cowork plugin repo — one primer per industry, from sales and finance to bio-research and small business.
16 essays · PERMANENTLY FREE
The Agent Skills Official Primer
Ten essays on the flagship skills repo plus four standalone toolkits — document crafts, design, builders, launch-your-agent, oncall and defending code.
10 essays · PERMANENTLY FREE
The Prompt Engineering Courses Primer
Eight essays on Anthropic's official prompt-engineering curriculum — the nine-chapter tutorial, API fundamentals, real-world prompting, evals, and tool use.
8 essays · PERMANENTLY FREE
The OpenAI Methods Primer
Nine essays distilled from the OpenAI Cookbook and three framework repos — embeddings retrieval, agent building, guardrails, meta-prompting, fine-tuning selection, symphony, evals and swarm.
9 essays · PERMANENTLY FREE
Finance & Legal
The Financial Services Plugins Primer
Nine essays cataloging Anthropic's financial-services plugin repo — equity research, modeling, PE, IB, fund admin, and ten managed agents.
9 essays · PERMANENTLY FREE
The Legal Professional Plugins Primer
Eleven essays cataloging Anthropic's claude-for-legal repo — twelve practice areas from litigation to AI governance, 151 skills distilled.
11 essays · PERMANENTLY FREE
Science & Medicine
The Healthcare & Life Sciences Primer
Five essays on the healthcare and life-sciences repos — payer-side coding, preclinical R&D, and the map of 21 scientific database connectors.
5 essays · PERMANENTLY FREE
The Metformin Review
Seven essays on a century-old drug: mechanism, longevity evidence, and decisions for the training population.
7 essays · PERMANENTLY FREE
Original Research
The Sanxingdui Dossier
Eight essays: from the site's full panorama to a direct test of the alien hypothesis.
8 essays · PERMANENTLY FREE
The Chinese Mountains Notes
Seven notes from tectonics and geomorphology to mountain worship, landscape aesthetics and hiking basics.
7 essays · PERMANENTLY FREE
The HQF Economics Primer
A guided primer across finance, property, industry chains and the digital economy, plus a recitation edition.
14 essays · PERMANENTLY FREE
The AGI-Life Primer
A 33-chapter handbook for the AGI era: capability, work, money, family and risk — every number sourced.
37 essays · PERMANENTLY FREE
The Super-Peptide Primer
From GLP-1 biology to AI-native drug design: a full-length primer on the peptide industry and where value migrates.
45 essays · PERMANENTLY FREE
The Agent Settlement & Investing Primer
When machines become the traders: payment rails, protocol wars, tokenized assets, and a retail investor's playbook.
21 essays · PERMANENTLY FREE